21017+1652
- Unique Name: 21017+1652BPM2311AB
- RA: 21 01 43.02
- Dec: +16 51 47.0
- Discoverer: BPM
- Discoverer Number: 2311
- Components: AB
- First year: 1994
- Last year: 2001
- Observations: 3
- First position angle: 111
- Last position angle: 111
- First separation: 113.6
- Last separation: 113.9
- Mag first component: 15.06
- Mag second component: 15.64
- Spectral type:
- Primary proper motion RA: -11
- Primary proper motion DEC: -5
- Secondary proper motion RA: -11
- Secondary proper motion DEC: -8
- Durchmusterung:
- Notes: NV